Convert megajoules to electronvolts
1 MJ = 6241509074460000000000000 eV — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 39 energy & work units
- Petajoules PJ 1e-9
- Terajoules TJ 0.000 001
- Gigajoules GJ 0.001
- Megajoules MJ 1
- Kilojoules kJ 1000
- Joules J 1 000 000
- Millijoules mJ 1 000 000 000
- Microjoules µJ 1 000 000 000 000
- Nanojoules nJ 1 000 000 000 000 000
- Watt-hours Wh 277.777 777 778
- Kilowatt-hours kWh 0.277 777 777 778
- Megawatt-hours MWh 0.000 277 777 777 778
- Gigawatt-hours GWh 0.000 000 277 777 777 778
- Terawatt-hours TWh 2.77777777778e-10
- Calorie (thermochemical)s cal 239 005.736 138
- Kilocalories kcal 239.005 736 138
- Calorie (IT)s cal (IT) 238 845.896 627
- Kilocalorie (IT)s kcal (IT) 238.845 896 627
- British thermal units BTU 947.817 120 313
- BTU (thermochemical)s BTU (th) 948.451 652 677
- Million BTUs MMBTU 0.000 947 817 120 313
- Therm (US)s thm 0.009 480 434 279 73
- Therm (EC)s thm (EC) 0.009 478 169 879 13
- Electronvolts eV 6.24150907446e+24
- Kiloelectronvolts keV 6.24150907446e+21
- Megaelectronvolts MeV 6.24150907446e+18
- Gigaelectronvolts GeV 6 241 509 074 460 000
- Teraelectronvolts TeV 6 241 509 074 460
- Ergs erg 10 000 000 000 000
- Foot-pounds ft·lbf 737 562.149 277
- Inch-pounds in·lbf 8 850 745.791 33
- Foot-poundals ft·pdl 23 730 360.4042
- Horsepower-hours hp·h 0.372 506 135 999
- Tonne of TNTs t TNT 0.000 239 005 736 138
- Kiloton of TNTs kt TNT 0.000 000 239 005 736 138
- Megaton of TNTs Mt TNT 2.39005736138e-10
- Hartrees Eₕ 2.2937122784e+23
- Rydbergs Ry 4.58742455679e+23
- Quads quad 9.47817120313e-13
Every row is Megajoule (MJ) converted through the joule, in exact rational arithmetic.
How to convert megajoules to electronvolts
Multiply the number of megajoules by 6241509074460000000000000 to get electronvolts.
Electronvolt: Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.
Megajoule to Electronvolt conversion table
| Megajoules (MJ) | Electronvolts (eV) |
|---|---|
| 1 MJ | 6.2415091e+24 |
| 2 MJ | 1.2483018e+25 |
| 3 MJ | 1.8724527e+25 |
| 5 MJ | 3.1207545e+25 |
| 10 MJ | 6.2415091e+25 |
| 20 MJ | 1.2483018e+26 |
| 25 MJ | 1.5603773e+26 |
| 50 MJ | 3.1207545e+26 |
| 100 MJ | 6.2415091e+26 |
| 250 MJ | 1.5603773e+27 |
| 500 MJ | 3.1207545e+27 |
| 1000 MJ | 6.2415091e+27 |
Electronvolt to Megajoule conversion table
| Electronvolts (eV) | Megajoules (MJ) |
|---|---|
| 1 eV | 1.6021766e-25 |
| 2 eV | 3.2043533e-25 |
| 3 eV | 4.8065299e-25 |
| 5 eV | 8.0108832e-25 |
| 10 eV | 1.6021766e-24 |
| 20 eV | 3.2043533e-24 |
| 25 eV | 4.0054416e-24 |
| 50 eV | 8.0108832e-24 |
| 100 eV | 1.6021766e-23 |
| 250 eV | 4.0054416e-23 |
| 500 eV | 8.0108832e-23 |
| 1000 eV | 1.6021766e-22 |
Frequently asked
How many electronvolts are in a megajoule?
One megajoule equals 6.241509074e+24 electronvolts (MJ → eV). That figure is exact, not rounded.
How do you convert megajoules to electronvolts?
Multiply the number of megajoules by 6241509074460000000000000 to get electronvolts.
What is 1 eV in megajoules?
One electronvolt is 1.602176634e-25 megajoules.
What is 10 MJ in eV?
10 MJ = 6.2415091e+25 eV.
What exactly is a electronvolt?
Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.